And also we don't know that C is the limit entirely, but it is so far. Also, we don't know if there are more dimensions in our reality or not because we cannot observe them. And no, I don't have much of a better answer.
Basically, we still know we don't know a lot, and we probably don't know a ton of what we don't know that we don't know. Also magic.
Big difference between the original atomic bombs he's talking about and current (or even decades-old) thermonuclear weapons. This is just ignorant rambling from someone that wants to be "smart".
Well views, yes. I'm guessing a lot of those are looking for cringe. Still crazy, but I highly doubt the implied claim that he's influencing billions with some kind of truth.
Cops aren't required to protect you from anything. Learn how to protect you and yours. And learn how to read situations, always.